CorrelateAI › Pairs

Atmospheric Methane (global) vs US GDP (current US$)

Atmospheric Methane (global) and US GDP (current US$) correlate at r = +0.98 over 42 years (1984–2025), p < 0.0001. With the time trend removed, r = +0.53. Interpret with caution.

Verdict: Interpret with caution. Much of the apparent link is driven by a shared time trend: r falls from 0.98 to 0.53 once the trend is removed.

Pearson r
+0.98
p-value
< 0.0001
Years compared (n)
42 (1984–2025)
95% confidence interval
0.95 to 0.99
Correlation with the time trend removed
+0.53

Sources

Related pairs

Correlation does not imply causation. How the verdict is worked out.